CN102376511B - PDP (Plasma Display Panel) discharge electrode and PDP display comprising same - Google Patents
PDP (Plasma Display Panel) discharge electrode and PDP display comprising same Download PDFInfo
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- CN102376511B CN102376511B CN201110297859.XA CN201110297859A CN102376511B CN 102376511 B CN102376511 B CN 102376511B CN 201110297859 A CN201110297859 A CN 201110297859A CN 102376511 B CN102376511 B CN 102376511B
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Abstract
The invention discloses a PDP (Plasma Display Panel) discharge electrode and a PDP display comprising the same. The PDP discharge electrode comprises a first bus electrode and a second bus electrode, wherein the first bus electrode and the second bus electrode respectively comprise a linear main electrode part and a plurality of convex electrode parts arranged at one side of the linear main electrode part, and the convex electrode parts of the two bus electrodes are mutually oppositely arranged. The PDP discharge electrode is adopted, the bus electrodes are directly manufactured on a glass substrate to be used as discharge electrodes without manufacturing a transparent electrode and a black bar, thus two times of precise counterpoint between the electrodes are removed. Due to once manufacture of the electrodes, the consistency of electrode gaps can be ensured and the performance of the display screen is improved. Secondly, the manufacture procedure of the display screen is simplified, and the manufacture cost of the transparent electrode and the black bar with extremely high process requirements is saved. In addition, the transparent electrode is not arranged on an upper substrate, thus the capacitance between electrodes is reduced, and the power consumption of a colorful plasma display is correspondingly lowered.
Description
Technical field
The present invention relates to gas discharge technical field, be specifically related to a kind of PDP sparking electrode and comprise its PDP display screen.
Background technology
Plasma panel (PDP) is a kind of Display Technique of utilizing gas discharge, its operation principle is very similar with fluorescent lamp, adopted plasmatron as luminous element, by adding voltage on the electrode at plasmatron two ends, make the inert mixed gas in discharge space be ionized into the electric pulpous state state of a kind of special physical state one, plasma discharge phenomenon occurs simultaneously.The ultraviolet ray of gaseous plasma discharge generation, ultraviolet ray excited light-emitting phosphor, thus on screen, present image.
General AC gas discharge display screen adopts surface discharge type structure.Fig. 1 shows the structural representation of a kind of alternating current gas discharge plasma display screen of the prior art, this display screen comprise upper substrate 1 ' and infrabasal plate 7 of sealing with it '.Upper substrate 1 ' be provided with transparency electrode (ITO) 2 ' and bus electrode 3 ' and increase the secret note 12 of contrast '; transparency electrode 2 ' and bus electrode 3 ' formation sparking electrode; upper substrate 1 ' and be positioned at upper substrate 1 ' on the surface of sparking electrode all cover one deck dielectric layer 4 ', dielectric layer 4 ' on cover one deck medium protective layer 5 '.Infrabasal plate 7 ' comprise disposed thereon and vertical with sparking electrode addressing electrode 8 ', cover addressing electrode 8 ' dielectric layer 6 ', and be positioned at dielectric layer 6 ' upper and have the barrier 9 of certain altitude ', barrier 9 ' discharge space is separated, formed with the fluorescent material groove 10 of addressing electrode 8 ' parallel ', fluorescent material groove 10 ' bottom be coated with phosphor powder layer 11 '.By upper substrate 1 ' and infrabasal plate 7 ' be filled with the inert mixed gas such as Ne, Ar, Xe after sealing with glass powder with low melting point, energising afterwards makes electrode discharge.
Because the quality of electrode performance plays key effect to display screen, so the design of various electrode structures, the optimization of related electrode structural parameters, and the exploitation of novel electrode structure, be an important research direction that improves PDP display performance.In the electrode structure of upper substrate 1 ' use at present, much all adopted combined electrode structure, referring to figs. 2 and 3, Fig. 2 show stripe shape transparency electrode 2 in prior art ' and bus electrode 3 ', the rough schematic of black strip pattern 12 ' structure, wide strip part be divided into transparency electrode 2 ', fillet be partly bus electrode 3 '; Fig. 3 shows T-shaped transparency electrode 2 in prior art ' and the rough schematic of bus electrode 3 ' structure, T-shaped part be transparency electrode 2 ', fillet be partly bus electrode 3 '.Due to transparency electrode 2 ' aligning accuracy require highly, interelectrode electric capacity is large, preparation technology is very strict, so cost is also higher.
Summary of the invention
The present invention aims to provide a kind of PDP sparking electrode and comprises its PDP display screen, solving PDP sparking electrode complicated process of preparation in prior art, cost of manufacture is high, the technical problem that PDP display screen power consumption is high.
To achieve these goals, according to an aspect of the present invention, provide a kind of PDP sparking electrode.This PDP sparking electrode comprises:
The first bus electrode being oppositely arranged and the second bus electrode, the first bus electrode and the second bus electrode comprise separately straight line main electrode portion and are arranged on a plurality of projected electrode portion of straight line main electrode portion one side; Projected electrode portion on the first bus electrode and the second bus electrode arranges relative to one another.
Further, the top of projected electrode portion is circular-arc.
Further, between the adjacently situated surfaces of the adjacent protrusion electrode part in a plurality of projected electrode portion, there is interval.
Further, between a plurality of projected electrode portion, the distance at interval equates.
Further, interval between the adjacently situated surfaces of the adjacent protrusion electrode part in a plurality of projected electrode portion is provided with connecting electrode portion, this connecting electrode portion be straight line main electrode portion along the extension of the protrusion direction of projected electrode portion, its extension width is identical with the width of line part.
Further, projected electrode portion is " n " type of hollow, comprises two relative sidewalls and the roof that connects two sidewalls, between sidewall and roof and straight line main electrode portion, surrounds cavity.
Further, the width of straight line main electrode portion is 20～80 μ m.
Further, the integral width of projected electrode portion is 120～180 μ m, and the line width of this projected electrode portion is 20～50 μ m.
Further, the width of the first bus electrode and the second bus electrode is 160～200 μ m, and the clearance distance being oppositely arranged between the projected electrode portion top on the first bus electrode and the second bus electrode is 60～80 μ m.
Further, the material of above-mentioned PDP sparking electrode is silver.
According to a further aspect in the invention, provide a kind of PDP display screen.This PDP display screen comprises: upper substrate; PDP sparking electrode, extends along upper substrate; Dielectric layer, medium protective layer cover on upper substrate and PDP sparking electrode successively, and infrabasal plate, are provided with the addressing electrode vertical with PDP sparking electrode and the barrier parallel with addressing electrode on it; Infrabasal plate sealing-in relative to upper substrate forms a plurality of discharge cells; This PDP sparking electrode is above-mentioned any PDP sparking electrode, and the setting corresponding to discharge cell of the projected electrode portion of PDP sparking electrode, and the interval between a plurality of projected electrode portion is corresponding with the barrier on infrabasal plate.
Adopt technical scheme of the present invention to make PDP sparking electrode, do not need to make transparency electrode, only need on glass substrate, directly make bus electrode as sparking electrode, saved like this twice accurate contraposition between bus electrode and transparency electrode.Due to the disposable making of electrode, can guarantee the consistency of electrode gap, improved the performance of display screen.The display screen with this PDP sparking electrode, owing to not needing to make transparency electrode and secret note, simplified production process, and then the high transparency electrode of technological requirement and the cost of manufacture of secret note have been saved, upper substrate does not need to make transparency electrode, interelectrode electric capacity is declined, the corresponding power consumption that reduces color plasma display.
Accompanying drawing explanation
Figure of description is used to provide a further understanding of the present invention, forms a part of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of prior art ionic medium display screen structure;
Fig. 2 shows the structural representation of stripe shape transparency electrode and bus electrode in prior art;
Fig. 3 shows the structural representation of T-shaped transparency electrode and bus electrode in prior art;
Fig. 4 shows according to the structural representation of the PDP sparking electrode of the embodiment of the present invention;
Fig. 5 shows according to the structural representation of the upper substrate of plasma display panel structure of the embodiment of the present invention; And
Fig. 6 shows the partial structurtes schematic diagram corresponding with infrabasal plate according to the PDP sparking electrode of the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but following embodiment and accompanying drawing are only to understand the present invention, and can not limit the present invention, the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
According to the PDP sparking electrode of the embodiment of the present invention, as shown in Figure 4, comprise the first bus electrode 31 and the second bus electrode 32.The first bus electrode 31 and the second bus electrode 32 comprise separately straight line main electrode portion 311 and are arranged on a plurality of projected electrode portion's 312, the first bus electrodes 31 of straight line main electrode portion 311 1 sides and the projected electrode portion 312 of the second bus electrode 32 is positioned opposite to each other.Adopt the PDP sparking electrode of this structure not need to make transparency electrode, only need on glass substrate, make the first bus electrode 31 and the second bus electrode 32, as shown in Figure 5, omitted twice accurate contraposition between bus electrode and transparency electrode in prior art.Because therefore this PDP sparking electrode can guarantee the consistency of electrode gap by the disposable making of mode of printing, improved the performance of display screen.Secondly, adopt the PDP sparking electrode of this structure because the gross area of bus electrode is large, degree of blackness is high, so do not need to make secret note, this has just reduced the production process of display screen, and then has saved the high transparency electrode of technological requirement and the cost of manufacture of secret note.In addition, without transparency electrode, interelectrode electric capacity is declined, the power consumption of plasma panel is also by corresponding reduction.
A kind of typical execution mode according to the present invention, the top of projected electrode portion 312 is circular-arc.The corner's broken string phenomenon that adopts circular-arc structure can effectively avoid right angle lines easily to occur in manufacturing process, has saved inspection and rehabilitation cost.
Between the adjacently situated surfaces of the adjacent protrusion electrode part in a plurality of projected electrode portion on bus electrode, there is interval, this structure is conducive to more visible ray and sees through glass substrate, preferably, the interval between projected electrode portion 312 is equal, and this structure is conducive to structural design and makes contraposition.Further preferably, between a plurality of adjacent projected electrode portions 312, adjacent interval is provided with connecting electrode portion 313, this connecting electrode portion 313 is extensions of straight line main electrode portion 311 protrusion direction along projected electrode portion 312, and its extension width is identical with the width of straight line main electrode portion 311.Between two adjacent projected electrode portions 312, with connecting electrode portion 313, connect, connecting electrode portion 313 is arranged in straight line main electrode portion 311, connecting electrode portion 313 can be arranged to rectangle, and one side is connected with straight line main electrode portion, separately two sides respectively the projected electrode portion 312 adjacent with two be connected.Between two adjacent projected electrode portions 312, connecting electrode 313 is set, has effectively increased the gross area of electrode line, avoided bus resistance too high, electrode line is wider is simultaneously not easy to occur short-term phenomenon, has saved inspection and rehabilitation cost.
Preferably, projected electrode portion 312 is " n " type of hollow, and the roof b that specifically comprises two relative sidewall a and connect two sidewall a surrounds cavity between two sidewall a and roof b and straight line main electrode portion 311.Because the sparking electrode of this structure does not utilize ITO to discharge in manufacturing process, but utilize two bus electrodes as public sparking electrode (comprise scan electrode and maintain electrode), solved the large problem of sparking electrode impedance, but because the metal electrode as bus electrode itself is opaque, brightness on screen has produced larger impact, simultaneously, between metal electrode, electric discharge is point-to-point realization, therefore, at this, projected electrode portion is designed to the structure with cavity, to improve the brightness of display screen.Meanwhile, this structure can increase discharge space and area effectively, and the increase of discharging gap and area makes discharge path elongated, has increased luminosity and the luminous efficiency of PDP display screen.
The line size of bus electrode can require to adjust according to display resolution, according to embodiments of the invention, on the display screen that plan is 1024 * 768 32 inches of resolution, preferably, the width of the straight line main electrode portion of the first bus electrode 31 and the second bus electrode 32 is 20～80 μ m, the integral width of projected electrode portion is 120～180 μ m, and the line width of this projected electrode portion is 20～50 μ m.Projected electrode portion arranges according to this specification, even if can guarantee to have in the protruding part of manufacturing process broken string also can make whole electrode keep conducting, can guarantee that again visible ray has enough spaces that sees through; The width of the first bus electrode 31 and the second bus electrode 32 is set to 160～200 μ m, and the gap on two bus electrodes between relative projected electrode portion is 60～80 μ m.
The material of PDP sparking electrode can adopt the conducting metal of the common use in this area, is preferably silver, by photosensitive silver slurry, is printed on glass substrate and is made and has the PDP sparking electrode of said structure, and technique is simple, and respond well.
A kind of PDP display screen is provided according to a further aspect in the invention.This PDP display screen comprises upper substrate and infrabasal plate; on upper substrate, be provided with along the lower surface of upper substrate and extend PDP sparking electrode; on upper substrate and the PDP sparking electrode that is located thereon, be coated with dielectric layer; on dielectric layer, be coated with medium protective layer; on infrabasal plate, be provided with addressing electrode and barrier, upper substrate sealing-in relative to infrabasal plate forms a plurality of discharge cells.This PDP sparking electrode has the structure of above-mentioned any PDP sparking electrode, and as shown in Figure 6, the setting corresponding to above-mentioned discharge cell of the projected electrode portion of above-mentioned PDP sparking electrode, connecting electrode portion 313 between two adjacent projected electrode portions 312 and the corresponding setting of barrier on infrabasal plate, be that projected electrode portion 312 is corresponding to the fluorescent material groove on infrabasal plate, connecting electrode portion 313 between projected electrode portion 312 is corresponding to the barrier on infrabasal plate, phosphor powder layer accurate contraposition in sparking electrode and fluorescent material groove like this, the ultraviolet ray producing while making electrode discharge more effectively excitated fluorescent powder is luminous, improved luminous efficiency.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a PDP sparking electrode, comprises the first bus electrode (31) and the second bus electrode (32) that are oppositely arranged, it is characterized in that,
Described the first bus electrode (31) and described the second bus electrode (32) comprise separately straight line main electrode portion (311) and are arranged on a plurality of projected electrode portions (312) of described straight line main electrode portion (311) one sides; And
Projected electrode portion (312) on described the first bus electrode (31) and the projected electrode portion (312) on described the second bus electrode (32) arrange relative to one another;
The top of all described projected electrode portions (312) is circular-arc projection.
2. PDP sparking electrode according to claim 1, is characterized in that, between the adjacently situated surfaces of the adjacent protrusion electrode part (312) in a plurality of described projected electrode portions (312), has interval.
3. PDP sparking electrode according to claim 2, is characterized in that, between a plurality of described projected electrode portions (312), the distance at interval equates.
4. PDP sparking electrode according to claim 3, it is characterized in that, interval between the adjacently situated surfaces of the adjacent protrusion electrode part in a plurality of described projected electrode portions (312) is provided with connecting electrode portion (313), described connecting electrode portion (313) be described straight line main electrode portion (311) along the extension of the protrusion direction of described projected electrode portion (312), its extension width is identical with the width of described straight line main electrode portion (311).
5. PDP sparking electrode according to claim 1, it is characterized in that, described projected electrode portion (312) is " n " type of hollow, the roof (b) that comprises two relative sidewalls (a) and connect described two sidewalls (a), surrounds cavity between described sidewall (a) and roof (b) and described straight line main electrode portion (311).
6. PDP sparking electrode according to claim 1, is characterized in that, the width of described straight line main electrode portion (311) is 20～80 μ m.
7. PDP sparking electrode according to claim 1, is characterized in that, the integral width of described projected electrode portion (312) is 120～180 μ m, and the line width of described projected electrode portion (312) is 20～50 μ m.
8. PDP sparking electrode according to claim 1, it is characterized in that, the width of described the first bus electrode (31) and the second bus electrode (32) is 160～200 μ m, and the clearance distance being oppositely arranged between projected electrode portion (312) top on described the first bus electrode (31) and described the second bus electrode (32) is 60～80 μ m.
9. according to the PDP sparking electrode described in claim 1-8 any one, it is characterized in that, the material of described PDP sparking electrode is silver.
10. a PDP display screen, comprising:
Upper substrate;
PDP sparking electrode, extends along described upper substrate lower surface;
Dielectric layer, medium protective layer cover on described upper substrate and described PDP sparking electrode successively, and
Infrabasal plate, is provided with the addressing electrode vertical with described PDP sparking electrode and the barrier parallel with described addressing electrode on it;
The sealing-in relative to described upper substrate of described infrabasal plate forms a plurality of discharge cells;
It is characterized in that, described PDP sparking electrode is the PDP sparking electrode as described in claim 1-9 any one, and the setting corresponding to described discharge cell of the projected electrode portion (312) of described PDP sparking electrode, the interval between a plurality of described projected electrode portions (312) and the corresponding setting of barrier on described infrabasal plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110297859.XA CN102376511B (en) | 2010-09-30 | 2011-09-30 | PDP (Plasma Display Panel) discharge electrode and PDP display comprising same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010507351 | 2010-09-30 | ||
| CN201010507351.3 | 2010-09-30 | ||
| CN201110297859.XA CN102376511B (en) | 2010-09-30 | 2011-09-30 | PDP (Plasma Display Panel) discharge electrode and PDP display comprising same |
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| CN102376511A CN102376511A (en) | 2012-03-14 |
| CN102376511B true CN102376511B (en) | 2014-03-19 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1414595A (en) * | 2002-12-11 | 2003-04-30 | 中国电子科技集团公司第五十五研究所 | Plasma body display screen arc shaped electrode structure |
| US6603263B1 (en) * | 1999-11-09 | 2003-08-05 | Mitsubishi Denki Kabushiki Kaisha | AC plasma display panel, plasma display device and method of driving AC plasma display panel |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6603263B1 (en) * | 1999-11-09 | 2003-08-05 | Mitsubishi Denki Kabushiki Kaisha | AC plasma display panel, plasma display device and method of driving AC plasma display panel |
| CN1414595A (en) * | 2002-12-11 | 2003-04-30 | 中国电子科技集团公司第五十五研究所 | Plasma body display screen arc shaped electrode structure |
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